BRIO Automatic Pump controller to start and stop pump. It starts the electric pump automatically after a pressure decrease (taps opening) and stops it when the maximum pressure is reached (taps closed). Automatic Pump Pressure controller with Adjustable cut in Pressure only, now with a built-in timer which will allow automatically try to reset itself every 15 minutes in the event of a previous shut down due to a lack of water. 1" BSP Male Ports, Dry Run Protection, Integral Pressure Gauge, 0.4 Litre Small EPDM Bladder.